31534424029885 has 96 divisors (see below), whose sum is σ = 48954468206592. Its totient is φ = 19015972577280.

The previous prime is 31534424029883. The next prime is 31534424029909. The reversal of 31534424029885 is 58892042443513.

It is not a de Polignac number, because 31534424029885 - 2¹ = 31534424029883 is a prime.

It is a super-2 number, since 2×31534424029885² (a number of 28 digits) 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 (31534424029883) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14495809 + ... + 16528681.

It is an arithmetic number, because the mean of its divisors is an integer number (509942377152).

Almost surely, 2^{31534424029885} is an apocalyptic number.

31534424029885 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31534424029885 is a deficient number, since it is larger than the sum of its proper divisors (17420044176707).

31534424029885 is a wasteful number, since it uses less digits than its factorization.

31534424029885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032991 (or 2032962 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 58.

The spelling of 31534424029885 in words is "thirty-one trillion, five hundred thirty-four billion, four hundred twenty-four million, twenty-nine thousand, eight hundred eighty-five".