1051402031 has 12 divisors (see below), whose sum is σ = 1115851464. Its totient is φ = 990500400.

The previous prime is 1051402003. The next prime is 1051402063. The reversal of 1051402031 is 1302041501.

It is a de Polignac number, because none of the positive numbers 2^k-1051402031 is a prime.

It is a super-2 number, since 2×1051402031² = 2210892461581849922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051402081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57296 + ... + 73386.

It is an arithmetic number, because the mean of its divisors is an integer number (92987622).

Almost surely, 2^1051402031 is an apocalyptic number.

1051402031 is a deficient number, since it is larger than the sum of its proper divisors (64449433).

1051402031 is a wasteful number, since it uses less digits than its factorization.

1051402031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16310 (or 16291 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1051402031 is about 32425.3300831310. The cubic root of 1051402031 is about 1016.8485426593.

Adding to 1051402031 its reverse (1302041501), we get a palindrome (2353443532).

The spelling of 1051402031 in words is "one billion, fifty-one million, four hundred two thousand, thirty-one".