31453151323 has 12 divisors (see below), whose sum is σ = 36213504408. Its totient is φ = 27088835040.

The previous prime is 31453151311. The next prime is 31453151329. The reversal of 31453151323 is 32315135413.

It is a happy number.

It is not a de Polignac number, because 31453151323 - 2⁹ = 31453150811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31453151329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3956386 + ... + 3964327.

It is an arithmetic number, because the mean of its divisors is an integer number (3017792034).

Almost surely, 2^31453151323 is an apocalyptic number.

31453151323 is a deficient number, since it is larger than the sum of its proper divisors (4760353085).

31453151323 is a wasteful number, since it uses less digits than its factorization.

31453151323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7920762 (or 7920743 counting only the distinct ones).

The product of its digits is 16200, while the sum is 31.

Adding to 31453151323 its reverse (32315135413), we get a palindrome (63768286736).

It can be divided in two parts, 31 and 453151323, that added together give a palindrome (453151354).

The spelling of 31453151323 in words is "thirty-one billion, four hundred fifty-three million, one hundred fifty-one thousand, three hundred twenty-three".