31424011402 has 16 divisors (see below), whose sum is σ = 54262946880. Its totient is φ = 13369130208.

The previous prime is 31424011393. The next prime is 31424011433. The reversal of 31424011402 is 20411042413.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8189952 + ... + 8193787.

It is an arithmetic number, because the mean of its divisors is an integer number (3391434180).

Almost surely, 2^31424011402 is an apocalyptic number.

31424011402 is a deficient number, since it is larger than the sum of its proper divisors (22838935478).

31424011402 is a wasteful number, since it uses less digits than its factorization.

31424011402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16383885.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 31424011402 its reverse (20411042413), we get a palindrome (51835053815).

The spelling of 31424011402 in words is "thirty-one billion, four hundred twenty-four million, eleven thousand, four hundred two".