31023142550451 has 6 divisors (see below), whose sum is σ = 44811205906220. Its totient is φ = 20682095033628.

The previous prime is 31023142550419. The next prime is 31023142550461. The reversal of 31023142550451 is 15405524132013.

31023142550451 is a `hidden beast` number, since 3 + 1 + 0 + 2 + 3 + 142 + 5 + 504 + 5 + 1 = 666.

It is not a de Polignac number, because 31023142550451 - 2⁵ = 31023142550419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31023142550461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1723507919461 + ... + 1723507919478.

Almost surely, 2^{31023142550451} is an apocalyptic number.

31023142550451 is a deficient number, since it is larger than the sum of its proper divisors (13788063355769).

31023142550451 is a wasteful number, since it uses less digits than its factorization.

31023142550451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3447015838945 (or 3447015838942 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 31023142550451 its reverse (15405524132013), we get a palindrome (46428666682464).

The spelling of 31023142550451 in words is "thirty-one trillion, twenty-three billion, one hundred forty-two million, five hundred fifty thousand, four hundred fifty-one".