304102132131 has 32 divisors (see below), whose sum is σ = 470378495488. Its totient is φ = 171154114560.

The previous prime is 304102132127. The next prime is 304102132171. The reversal of 304102132131 is 131231201403.

It is not a de Polignac number, because 304102132131 - 2² = 304102132127 is a prime.

It is a super-2 number, since 2×304102132131² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 304102132098 and 304102132107.

It is not an unprimeable number, because it can be changed into a prime (304102132111) 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, 14257731 + ... + 14279043.

It is an arithmetic number, because the mean of its divisors is an integer number (14699327984).

Almost surely, 2^304102132131 is an apocalyptic number.

304102132131 is a deficient number, since it is larger than the sum of its proper divisors (166276363357).

304102132131 is a wasteful number, since it uses less digits than its factorization.

304102132131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31531.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 304102132131 its reverse (131231201403), we get a palindrome (435333333534).

The spelling of 304102132131 in words is "three hundred four billion, one hundred two million, one hundred thirty-two thousand, one hundred thirty-one".