31321400202334 has 64 divisors (see below), whose sum is σ = 52289062963200. Its totient is φ = 13952455308000.

The previous prime is 31321400202247. The next prime is 31321400202431. The reversal of 31321400202334 is 43320200412313.

It is a happy number.

It is a super-2 number, since 2×31321400202334² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120146589 + ... + 120406999.

It is an arithmetic number, because the mean of its divisors is an integer number (817016608800).

Almost surely, 2^{31321400202334} is an apocalyptic number.

31321400202334 is a deficient number, since it is larger than the sum of its proper divisors (20967662760866).

31321400202334 is a wasteful number, since it uses less digits than its factorization.

31321400202334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261037.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 31321400202334 its reverse (43320200412313), we get a palindrome (74641600614647).

The spelling of 31321400202334 in words is "thirty-one trillion, three hundred twenty-one billion, four hundred million, two hundred two thousand, three hundred thirty-four".