31201230032434 has 16 divisors (see below), whose sum is σ = 58350352268736. Its totient is φ = 12156323389200.

The previous prime is 31201230032419. The next prime is 31201230032437. The reversal of 31201230032434 is 43423003210213.

It is a happy number.

It is a super-2 number, since 2×31201230032434² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31201230032437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101302694757 + ... + 101302695064.

It is an arithmetic number, because the mean of its divisors is an integer number (3646897016796).

Almost surely, 2^{31201230032434} is an apocalyptic number.

31201230032434 is a deficient number, since it is larger than the sum of its proper divisors (27149122236302).

31201230032434 is a wasteful number, since it uses less digits than its factorization.

31201230032434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202605389841.

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

Adding to 31201230032434 its reverse (43423003210213), we get a palindrome (74624233242647).

The spelling of 31201230032434 in words is "thirty-one trillion, two hundred one billion, two hundred thirty million, thirty-two thousand, four hundred thirty-four".