431261103026 has 16 divisors (see below), whose sum is σ = 737632113624. Its totient is φ = 187335139584.

The previous prime is 431261103023. The next prime is 431261103047. The reversal of 431261103026 is 620301162134.

It can be written as a sum of positive squares in 4 ways, for example, as 422823762001 + 8437341025 = 650249^2 + 91855^2 .

It is a super-2 number, since 2×431261103026² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 431261103026.

It is not an unprimeable number, because it can be changed into a prime (431261103023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487851485 + ... + 487852368.

Almost surely, 2^431261103026 is an apocalyptic number.

431261103026 is a deficient number, since it is larger than the sum of its proper divisors (306371010598).

431261103026 is a wasteful number, since it uses less digits than its factorization.

431261103026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975703885.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 431261103026 in words is "four hundred thirty-one billion, two hundred sixty-one million, one hundred three thousand, twenty-six".