1031431354 has 4 divisors (see below), whose sum is σ = 1547147034. Its totient is φ = 515715676.

The previous prime is 1031431337. The next prime is 1031431409. The reversal of 1031431354 is 4531341301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4531341301 = 421 ⋅10763281.

It can be written as a sum of positive squares in only one way, i.e., 838971225 + 192460129 = 28965^2 + 13873^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257857837 + ... + 257857840.

Almost surely, 2^1031431354 is an apocalyptic number.

1031431354 is a deficient number, since it is larger than the sum of its proper divisors (515715680).

1031431354 is an equidigital number, since it uses as much as digits as its factorization.

1031431354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515715679.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1031431354 is about 32115.9050004822. The cubic root of 1031431354 is about 1010.3692255261.

Adding to 1031431354 its reverse (4531341301), we get a palindrome (5562772655).

The spelling of 1031431354 in words is "one billion, thirty-one million, four hundred thirty-one thousand, three hundred fifty-four".