31401231100402 has 8 divisors (see below), whose sum is σ = 47101884019200. Its totient is φ = 15700603094004.

The previous prime is 31401231100391. The next prime is 31401231100409. The reversal of 31401231100402 is 20400113210413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (31401231100409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2670502 + ... + 8362657.

It is an arithmetic number, because the mean of its divisors is an integer number (5887735502400).

Almost surely, 2^{31401231100402} is an apocalyptic number.

31401231100402 is a deficient number, since it is larger than the sum of its proper divisors (15700652918798).

31401231100402 is a wasteful number, since it uses less digits than its factorization.

31401231100402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12456200.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31401231100402 its reverse (20400113210413), we get a palindrome (51801344310815).

The spelling of 31401231100402 in words is "thirty-one trillion, four hundred one billion, two hundred thirty-one million, one hundred thousand, four hundred two".