31400105036 has 24 divisors (see below), whose sum is σ = 56695705920. Its totient is φ = 15208831872.

The previous prime is 31400104997. The next prime is 31400105053. The reversal of 31400105036 is 63050100413.

It is a happy number.

It is a super-2 number, since 2×31400105036² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 920681 + ... + 954176.

It is an arithmetic number, because the mean of its divisors is an integer number (2362321080).

Almost surely, 2^31400105036 is an apocalyptic number.

It is an amenable number.

31400105036 is a deficient number, since it is larger than the sum of its proper divisors (25295600884).

31400105036 is a wasteful number, since it uses less digits than its factorization.

31400105036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874993 (or 1874991 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 31400105036 its reverse (63050100413), we get a palindrome (94450205449).

The spelling of 31400105036 in words is "thirty-one billion, four hundred million, one hundred five thousand, thirty-six".