1302130311031 has 4 divisors (see below), whose sum is σ = 1420505793864. Its totient is φ = 1183754828200.

The previous prime is 1302130311023. The next prime is 1302130311037. The reversal of 1302130311031 is 1301130312031.

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 1302130311031 - 2³ = 1302130311023 is a prime.

It is a super-2 number, since 2×1302130311031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302130311037) 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, 59187741400 + ... + 59187741421.

It is an arithmetic number, because the mean of its divisors is an integer number (355126448466).

Almost surely, 2^{1302130311031} is an apocalyptic number.

1302130311031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1302130311031 is a deficient number, since it is larger than the sum of its proper divisors (118375482833).

1302130311031 is a wasteful number, since it uses less digits than its factorization.

1302130311031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118375482832.

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

Adding to 1302130311031 its reverse (1301130312031), we get a palindrome (2603260623062).

It can be divided in two parts, 1302130 and 311031, that added together give a palindrome (1613161).

The spelling of 1302130311031 in words is "one trillion, three hundred two billion, one hundred thirty million, three hundred eleven thousand, thirty-one".