1401411531 has 32 divisors (see below), whose sum is σ = 2061158400. Its totient is φ = 841636224.

The previous prime is 1401411523. The next prime is 1401411547. The reversal of 1401411531 is 1351141041.

It is not a de Polignac number, because 1401411531 - 2³ = 1401411523 is a prime.

It is a super-2 number, since 2×1401411531² = 3927908558439527922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1401411498 and 1401411507.

It is not an unprimeable number, because it can be changed into a prime (1401421531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 409630 + ... + 413036.

It is an arithmetic number, because the mean of its divisors is an integer number (64411200).

Almost surely, 2^1401411531 is an apocalyptic number.

1401411531 is a deficient number, since it is larger than the sum of its proper divisors (659746869).

1401411531 is a wasteful number, since it uses less digits than its factorization.

1401411531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1401411531 is about 37435.4314921038. The cubic root of 1401411531 is about 1119.0647834452.

Adding to 1401411531 its reverse (1351141041), we get a palindrome (2752552572).

The spelling of 1401411531 in words is "one billion, four hundred one million, four hundred eleven thousand, five hundred thirty-one".