31330126002 has 32 divisors (see below), whose sum is σ = 71654078592. Its totient is φ = 8946169344.

The previous prime is 31330125973. The next prime is 31330126027. The reversal of 31330126002 is 20062103313.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 31330126002.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 148513 + ... + 291060.

It is an arithmetic number, because the mean of its divisors is an integer number (2239189956).

Almost surely, 2^31330126002 is an apocalyptic number.

31330126002 is an abundant number, since it is smaller than the sum of its proper divisors (40323952590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31330126002 is a wasteful number, since it uses less digits than its factorization.

31330126002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441282.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31330126002 its reverse (20062103313), we get a palindrome (51392229315).

The spelling of 31330126002 in words is "thirty-one billion, three hundred thirty million, one hundred twenty-six thousand, two".