31421255734 has 16 divisors (see below), whose sum is σ = 51809098176. Its totient is φ = 14173361800.

The previous prime is 31421255729. The next prime is 31421255743. The reversal of 31421255734 is 43755212413.

It is a junction number, because it is equal to n+sod(n) for n = 31421255693 and 31421255702.

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, 5448412 + ... + 5454175.

It is an arithmetic number, because the mean of its divisors is an integer number (3238068636).

Almost surely, 2^31421255734 is an apocalyptic number.

31421255734 is a deficient number, since it is larger than the sum of its proper divisors (20387842442).

31421255734 is a wasteful number, since it uses less digits than its factorization.

31421255734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10902731.

The product of its digits is 100800, while the sum is 37.

The spelling of 31421255734 in words is "thirty-one billion, four hundred twenty-one million, two hundred fifty-five thousand, seven hundred thirty-four".