3121013130 has 32 divisors (see below), whose sum is σ = 7509715200. Its totient is φ = 830127552.

The previous prime is 3121013099. The next prime is 3121013149. The reversal of 3121013130 is 313101213.

It is a super-3 number, since 3×3121013130³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 122050 + ... + 145389.

It is an arithmetic number, because the mean of its divisors is an integer number (234678600).

Almost surely, 2^3121013130 is an apocalyptic number.

3121013130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3121013130 is an abundant number, since it is smaller than the sum of its proper divisors (4388702070).

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

3121013130 is a wasteful number, since it uses less digits than its factorization.

3121013130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267838.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 3121013130 is about 55866.0284072530. The cubic root of 3121013130 is about 1461.3868616540.

Adding to 3121013130 its reverse (313101213), we get a palindrome (3434114343).

The spelling of 3121013130 in words is "three billion, one hundred twenty-one million, thirteen thousand, one hundred thirty".