1310233243031 has 4 divisors (see below), whose sum is σ = 1310238162000. Its totient is φ = 1310228324064.

The previous prime is 1310233243013. The next prime is 1310233243051. The reversal of 1310233243031 is 1303423320131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1310233243031 is a prime.

It is a super-2 number, since 2×1310233243031² (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 (1310233243051) 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, 2035586 + ... + 2600783.

It is an arithmetic number, because the mean of its divisors is an integer number (327559540500).

Almost surely, 2^{1310233243031} is an apocalyptic number.

1310233243031 is a deficient number, since it is larger than the sum of its proper divisors (4918969).

1310233243031 is an equidigital number, since it uses as much as digits as its factorization.

1310233243031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4918968.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1310233243031 its reverse (1303423320131), we get a palindrome (2613656563162).

The spelling of 1310233243031 in words is "one trillion, three hundred ten billion, two hundred thirty-three million, two hundred forty-three thousand, thirty-one".