31330132023 has 16 divisors (see below), whose sum is σ = 43987939200. Its totient is φ = 19780331040.

The previous prime is 31330132013. The next prime is 31330132091. The reversal of 31330132023 is 32023103313.

It is not a de Polignac number, because 31330132023 - 2¹⁴ = 31330115639 is a prime.

It is a super-2 number, since 2×31330132023² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31330132013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63193 + ... + 258173.

It is an arithmetic number, because the mean of its divisors is an integer number (2749246200).

Almost surely, 2^31330132023 is an apocalyptic number.

31330132023 is a deficient number, since it is larger than the sum of its proper divisors (12657807177).

31330132023 is a wasteful number, since it uses less digits than its factorization.

31330132023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197822.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 31330132023 its reverse (32023103313), we get a palindrome (63353235336).

The spelling of 31330132023 in words is "thirty-one billion, three hundred thirty million, one hundred thirty-two thousand, twenty-three".