31343204324010 has 128 divisors (see below), whose sum is σ = 76379519462400. Its totient is φ = 8230798517760.

The previous prime is 31343204323993. The next prime is 31343204324041. The reversal of 31343204324010 is 1042340234313.

It is a happy number.

It is a super-2 number, since 2×31343204324010² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1254769701 + ... + 1254794679.

It is an arithmetic number, because the mean of its divisors is an integer number (596714995800).

Almost surely, 2^{31343204324010} is an apocalyptic number.

31343204324010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31343204324010 is an abundant number, since it is smaller than the sum of its proper divisors (45036315138390).

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

31343204324010 is a wasteful number, since it uses less digits than its factorization.

31343204324010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27556.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 31343204324010 its reverse (1042340234313), we get a palindrome (32385544558323).

The spelling of 31343204324010 in words is "thirty-one trillion, three hundred forty-three billion, two hundred four million, three hundred twenty-four thousand, ten".