1302131130031 has 4 divisors (see below), whose sum is σ = 1344135360064. Its totient is φ = 1260126900000.

The previous prime is 1302131130019. The next prime is 1302131130071. The reversal of 1302131130031 is 1300311312031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1302131130031 - 2⁷ = 1302131129903 is a prime.

It is a super-2 number, since 2×1302131130031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1302131129990 and 1302131130008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302131130071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21002114970 + ... + 21002115031.

It is an arithmetic number, because the mean of its divisors is an integer number (336033840016).

Almost surely, 2^{1302131130031} is an apocalyptic number.

1302131130031 is a deficient number, since it is larger than the sum of its proper divisors (42004230033).

1302131130031 is an equidigital number, since it uses as much as digits as its factorization.

1302131130031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42004230032.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1302131130031 its reverse (1300311312031), we get a palindrome (2602442442062).

The spelling of 1302131130031 in words is "one trillion, three hundred two billion, one hundred thirty-one million, one hundred thirty thousand, thirty-one".