31423140154104 has 16 divisors (see below), whose sum is σ = 78557850385320. Its totient is φ = 10474380051360.

The previous prime is 31423140154061. The next prime is 31423140154111. The reversal of 31423140154104 is 40145104132413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654648753187 + ... + 654648753234.

Almost surely, 2^{31423140154104} is an apocalyptic number.

It is an amenable number.

31423140154104 is an abundant number, since it is smaller than the sum of its proper divisors (47134710231216).

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

31423140154104 is a wasteful number, since it uses less digits than its factorization.

31423140154104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309297506430 (or 1309297506426 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 31423140154104 its reverse (40145104132413), we get a palindrome (71568244286517).

The spelling of 31423140154104 in words is "thirty-one trillion, four hundred twenty-three billion, one hundred forty million, one hundred fifty-four thousand, one hundred four".