31225049418431 has 16 divisors (see below), whose sum is σ = 34132842108288. Its totient is φ = 28328805928800.

The previous prime is 31225049418397. The next prime is 31225049418443. The reversal of 31225049418431 is 13481494052213.

It is a cyclic number.

It is not a de Polignac number, because 31225049418431 - 2¹⁰ = 31225049417407 is a prime.

It is a super-3 number, since 3×31225049418431³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31225049418931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25646996 + ... + 26836886.

It is an arithmetic number, because the mean of its divisors is an integer number (2133302631768).

Almost surely, 2^{31225049418431} is an apocalyptic number.

31225049418431 is a deficient number, since it is larger than the sum of its proper divisors (2907792689857).

31225049418431 is a wasteful number, since it uses less digits than its factorization.

31225049418431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194742.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 31225049418431 in words is "thirty-one trillion, two hundred twenty-five billion, forty-nine million, four hundred eighteen thousand, four hundred thirty-one".