31431404103000 has 128 divisors (see below), whose sum is σ = 106981070077440. Its totient is φ = 7619734320000.

The previous prime is 31431404102999. The next prime is 31431404103013. The reversal of 31431404103000 is 30140413413.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 476200396 + ... + 476266395.

It is an arithmetic number, because the mean of its divisors is an integer number (835789609980).

Almost surely, 2^{31431404103000} is an apocalyptic number.

31431404103000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31431404103000 is an abundant number, since it is smaller than the sum of its proper divisors (75549665974440).

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

31431404103000 is a wasteful number, since it uses less digits than its factorization.

31431404103000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952466826 (or 952466812 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31431404103000 its reverse (30140413413), we get a palindrome (31461544516413).

The spelling of 31431404103000 in words is "thirty-one trillion, four hundred thirty-one billion, four hundred four million, one hundred three thousand".