31200102142004 has 24 divisors (see below), whose sum is σ = 54627662476800. Its totient is φ = 15592200503360.

The previous prime is 31200102141829. The next prime is 31200102142063. The reversal of 31200102142004 is 40024120100213.

It is a super-2 number, since 2×31200102142004² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65686637 + ... + 66159915.

It is an arithmetic number, because the mean of its divisors is an integer number (2276152603200).

Almost surely, 2^{31200102142004} is an apocalyptic number.

It is an amenable number.

31200102142004 is a deficient number, since it is larger than the sum of its proper divisors (23427560334796).

31200102142004 is a wasteful number, since it uses less digits than its factorization.

31200102142004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481543 (or 481541 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 31200102142004 its reverse (40024120100213), we get a palindrome (71224222242217).

The spelling of 31200102142004 in words is "thirty-one trillion, two hundred billion, one hundred two million, one hundred forty-two thousand, four".