1420002311 has 24 divisors (see below), whose sum is σ = 1785732480. Its totient is φ = 1119206592.

The previous prime is 1420002307. The next prime is 1420002319. The reversal of 1420002311 is 1132000241.

It is not a de Polignac number, because 1420002311 - 2² = 1420002307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420002319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167210 + ... + 175496.

It is an arithmetic number, because the mean of its divisors is an integer number (74405520).

Almost surely, 2^1420002311 is an apocalyptic number.

1420002311 is a deficient number, since it is larger than the sum of its proper divisors (365730169).

1420002311 is a wasteful number, since it uses less digits than its factorization.

1420002311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8583 (or 8576 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1420002311 is about 37682.9180266072. The cubic root of 1420002311 is about 1123.9914743657.

Adding to 1420002311 its reverse (1132000241), we get a palindrome (2552002552).

The spelling of 1420002311 in words is "one billion, four hundred twenty million, two thousand, three hundred eleven".