1301002131 has 32 divisors (see below), whose sum is σ = 2065900032. Its totient is φ = 717845760.

The previous prime is 1301002127. The next prime is 1301002169. The reversal of 1301002131 is 1312001031.

It is not a de Polignac number, because 1301002131 - 2² = 1301002127 is a prime.

It is a super-2 number, since 2×1301002131² = 3385213089733082322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1301002111) 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, 10546 + ... + 52088.

It is an arithmetic number, because the mean of its divisors is an integer number (64559376).

Almost surely, 2^1301002131 is an apocalyptic number.

1301002131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1301002131 is a deficient number, since it is larger than the sum of its proper divisors (764897901).

1301002131 is a wasteful number, since it uses less digits than its factorization.

1301002131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41643.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1301002131 is about 36069.4071340243. The cubic root of 1301002131 is about 1091.6732517081.

Adding to 1301002131 its reverse (1312001031), we get a palindrome (2613003162).

It can be divided in two parts, 130100 and 2131, that added together give a palindrome (132231).

The spelling of 1301002131 in words is "one billion, three hundred one million, two thousand, one hundred thirty-one".