31032145113451 has 2 divisors, whose sum is σ = 31032145113452. Its totient is φ = 31032145113450.

The previous prime is 31032145113397. The next prime is 31032145113461. The reversal of 31032145113451 is 15431154123013.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31032145113451 - 2¹³ = 31032145105259 is a prime.

It is a super-2 number, since 2×31032145113451² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31032145113461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15516072556725 + 15516072556726.

It is an arithmetic number, because the mean of its divisors is an integer number (15516072556726).

Almost surely, 2^{31032145113451} is an apocalyptic number.

31032145113451 is a deficient number, since it is larger than the sum of its proper divisors (1).

31032145113451 is an equidigital number, since it uses as much as digits as its factorization.

31032145113451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 31032145113451 its reverse (15431154123013), we get a palindrome (46463299236464).

The spelling of 31032145113451 in words is "thirty-one trillion, thirty-two billion, one hundred forty-five million, one hundred thirteen thousand, four hundred fifty-one".