31423423703040 has 192 divisors, whose sum is σ = 111700452427200. Its totient is φ = 8379579580416.

The previous prime is 31423423702991. The next prime is 31423423703107. The reversal of 31423423703040 is 4030732432413.

31423423703040 is a `hidden beast` number, since 3 + 1 + 4 + 2 + 342 + 3 + 7 + 0 + 304 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×31423423703040² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 31423423702986 and 31423423703004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56551182 + ... + 57104141.

It is an arithmetic number, because the mean of its divisors is an integer number (581773189725).

Almost surely, 2^{31423423703040} is an apocalyptic number.

31423423703040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31423423703040 is an abundant number, since it is smaller than the sum of its proper divisors (80277028724160).

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

31423423703040 is a wasteful number, since it uses less digits than its factorization.

31423423703040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113655359 (or 113655333 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 36.

The spelling of 31423423703040 in words is "thirty-one trillion, four hundred twenty-three billion, four hundred twenty-three million, seven hundred three thousand, forty".