31420634102 has 96 divisors (see below), whose sum is σ = 58147310592. Its totient is φ = 12634776000.

The previous prime is 31420634101. The next prime is 31420634107. The reversal of 31420634102 is 20143602413.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31420634101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10433777 + ... + 10436787.

It is an arithmetic number, because the mean of its divisors is an integer number (605701152).

Almost surely, 2^31420634102 is an apocalyptic number.

31420634102 is a deficient number, since it is larger than the sum of its proper divisors (26726676490).

31420634102 is a wasteful number, since it uses less digits than its factorization.

31420634102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186 (or 3175 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The spelling of 31420634102 in words is "thirty-one billion, four hundred twenty million, six hundred thirty-four thousand, one hundred two".