31234144102 has 32 divisors (see below), whose sum is σ = 53855424000. Its totient is φ = 13308375168.

The previous prime is 31234144057. The next prime is 31234144153. The reversal of 31234144102 is 20144143213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4323049 + ... + 4330267.

It is an arithmetic number, because the mean of its divisors is an integer number (1682982000).

Almost surely, 2^31234144102 is an apocalyptic number.

31234144102 is a deficient number, since it is larger than the sum of its proper divisors (22621279898).

31234144102 is a wasteful number, since it uses less digits than its factorization.

31234144102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8980.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 31234144102 its reverse (20144143213), we get a palindrome (51378287315).

The spelling of 31234144102 in words is "thirty-one billion, two hundred thirty-four million, one hundred forty-four thousand, one hundred two".