31004100123000 has 128 divisors (see below), whose sum is σ = 96734839818240. Its totient is φ = 8267585040000.

The previous prime is 31004100122999. The next prime is 31004100123043. The reversal of 31004100123000 is 32100140013.

It is a super-2 number, since 2×31004100123000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207018145 + ... + 207167855.

It is an arithmetic number, because the mean of its divisors is an integer number (755740936080).

Almost surely, 2^{31004100123000} is an apocalyptic number.

31004100123000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31004100123000 is an abundant number, since it is smaller than the sum of its proper divisors (65730739695240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31004100123000 is a wasteful number, since it uses less digits than its factorization.

31004100123000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218766 (or 218752 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 31004100123000 its reverse (32100140013), we get a palindrome (31036200263013).

The spelling of 31004100123000 in words is "thirty-one trillion, four billion, one hundred million, one hundred twenty-three thousand".