31201140130 has 64 divisors (see below), whose sum is σ = 63123287040. Its totient is φ = 11046442176.

The previous prime is 31201140083. The next prime is 31201140137. The reversal of 31201140130 is 3104110213.

It is a super-2 number, since 2×31201140130² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31201140137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104889 + ... + 270931.

It is an arithmetic number, because the mean of its divisors is an integer number (986301360).

Almost surely, 2^31201140130 is an apocalyptic number.

31201140130 is an abundant number, since it is smaller than the sum of its proper divisors (31922146910).

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

31201140130 is a wasteful number, since it uses less digits than its factorization.

31201140130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166135.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31201140130 its reverse (3104110213), we get a palindrome (34305250343).

The spelling of 31201140130 in words is "thirty-one billion, two hundred one million, one hundred forty thousand, one hundred thirty".