31461428744902 has 16 divisors (see below), whose sum is σ = 50824459445760. Its totient is φ = 14520044714112.

The previous prime is 31461428744891. The next prime is 31461428744951. The reversal of 31461428744902 is 20944782416413.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24986502 + ... + 26215417.

It is an arithmetic number, because the mean of its divisors is an integer number (3176528715360).

Almost surely, 2^{31461428744902} is an apocalyptic number.

31461428744902 is a deficient number, since it is larger than the sum of its proper divisors (19363030700858).

31461428744902 is a wasteful number, since it uses less digits than its factorization.

31461428744902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51225567.

The product of its (nonzero) digits is 9289728, while the sum is 55.

The spelling of 31461428744902 in words is "thirty-one trillion, four hundred sixty-one billion, four hundred twenty-eight million, seven hundred forty-four thousand, nine hundred two".