31200143120034 has 32 divisors (see below), whose sum is σ = 71388361245696. Its totient is φ = 8905108055760.

The previous prime is 31200143120009. The next prime is 31200143120059. The reversal of 31200143120034 is 43002134100213.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31200143120009) and next prime (31200143120059).

It is a super-2 number, since 2×31200143120034² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31200143119986 and 31200143120013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384065152 + ... + 384146379.

It is an arithmetic number, because the mean of its divisors is an integer number (2230886288928).

Almost surely, 2^{31200143120034} is an apocalyptic number.

31200143120034 is an abundant number, since it is smaller than the sum of its proper divisors (40188218125662).

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

31200143120034 is a wasteful number, since it uses less digits than its factorization.

31200143120034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768212510.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31200143120034 its reverse (43002134100213), we get a palindrome (74202277220247).

The spelling of 31200143120034 in words is "thirty-one trillion, two hundred billion, one hundred forty-three million, one hundred twenty thousand, thirty-four".