31240315153039 has 2 divisors, whose sum is σ = 31240315153040. Its totient is φ = 31240315153038.

The previous prime is 31240315152997. The next prime is 31240315153051. The reversal of 31240315153039 is 93035151304213.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31240315153039 - 2¹³ = 31240315144847 is a prime.

It is a super-2 number, since 2×31240315153039² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31240315152992 and 31240315153010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31240315150039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15620157576519 + 15620157576520.

It is an arithmetic number, because the mean of its divisors is an integer number (15620157576520).

Almost surely, 2^{31240315153039} is an apocalyptic number.

31240315153039 is a deficient number, since it is larger than the sum of its proper divisors (1).

31240315153039 is an equidigital number, since it uses as much as digits as its factorization.

31240315153039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 40.

The spelling of 31240315153039 in words is "thirty-one trillion, two hundred forty billion, three hundred fifteen million, one hundred fifty-three thousand, thirty-nine".