31450023343451 has 8 divisors (see below), whose sum is σ = 31837724835840. Its totient is φ = 31062531030952.

The previous prime is 31450023343441. The next prime is 31450023343469. The reversal of 31450023343451 is 15434332005413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31450023343451 - 2¹⁸ = 31450023081307 is a prime.

It is a super-2 number, since 2×31450023343451² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31450023343441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51992411 + ... + 52593828.

It is an arithmetic number, because the mean of its divisors is an integer number (3979715604480).

Almost surely, 2^{31450023343451} is an apocalyptic number.

31450023343451 is a deficient number, since it is larger than the sum of its proper divisors (387701492389).

31450023343451 is a wasteful number, since it uses less digits than its factorization.

31450023343451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104589945.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 31450023343451 its reverse (15434332005413), we get a palindrome (46884355348864).

The spelling of 31450023343451 in words is "thirty-one trillion, four hundred fifty billion, twenty-three million, three hundred forty-three thousand, four hundred fifty-one".