31401542650126 has 24 divisors (see below), whose sum is σ = 51773907476592. Its totient is φ = 14273348628000.

The previous prime is 31401542650111. The next prime is 31401542650151. The reversal of 31401542650126 is 62105624510413.

It is a super-2 number, since 2×31401542650126² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76874026 + ... + 77281426.

It is an arithmetic number, because the mean of its divisors is an integer number (2157246144858).

Almost surely, 2^{31401542650126} is an apocalyptic number.

31401542650126 is a deficient number, since it is larger than the sum of its proper divisors (20372364826466).

31401542650126 is a wasteful number, since it uses less digits than its factorization.

31401542650126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725928 (or 725917 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 31401542650126 in words is "thirty-one trillion, four hundred one billion, five hundred forty-two million, six hundred fifty thousand, one hundred twenty-six".