31264211130 has 32 divisors (see below), whose sum is σ = 75091610304. Its totient is φ = 8330733696.

The previous prime is 31264211117. The next prime is 31264211137. The reversal of 31264211130 is 3111246213.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31264211130.

It is not an unprimeable number, because it can be changed into a prime (31264211137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359467 + ... + 437886.

It is an arithmetic number, because the mean of its divisors is an integer number (2346612822).

Almost surely, 2^31264211130 is an apocalyptic number.

31264211130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31264211130 is an abundant number, since it is smaller than the sum of its proper divisors (43827399174).

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

31264211130 is a wasteful number, since it uses less digits than its factorization.

31264211130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798670.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31264211130 its reverse (3111246213), we get a palindrome (34375457343).

The spelling of 31264211130 in words is "thirty-one billion, two hundred sixty-four million, two hundred eleven thousand, one hundred thirty".