31301020130 has 16 divisors (see below), whose sum is σ = 56351804544. Its totient is φ = 12518192880.

The previous prime is 31301020123. The next prime is 31301020133. The reversal of 31301020130 is 3102010313.

It is a super-2 number, since 2×31301020130² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31301020133) 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, 216932 + ... + 331151.

It is an arithmetic number, because the mean of its divisors is an integer number (3521987784).

Almost surely, 2^31301020130 is an apocalyptic number.

31301020130 is a deficient number, since it is larger than the sum of its proper divisors (25050784414).

31301020130 is a wasteful number, since it uses less digits than its factorization.

31301020130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553801.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 31301020130 its reverse (3102010313), we get a palindrome (34403030443).

The spelling of 31301020130 in words is "thirty-one billion, three hundred one million, twenty thousand, one hundred thirty".