31453345351 has 4 divisors (see below), whose sum is σ = 33108784600. Its totient is φ = 29797906104.

The previous prime is 31453345349. The next prime is 31453345369. The reversal of 31453345351 is 15354335413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15354335413 = 1051 ⋅14609263.

It is a cyclic number.

It is not a de Polignac number, because 31453345351 - 2¹ = 31453345349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31453345351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31453345331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827719596 + ... + 827719633.

It is an arithmetic number, because the mean of its divisors is an integer number (8277196150).

Almost surely, 2^31453345351 is an apocalyptic number.

31453345351 is a deficient number, since it is larger than the sum of its proper divisors (1655439249).

31453345351 is a wasteful number, since it uses less digits than its factorization.

31453345351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655439248.

The product of its digits is 162000, while the sum is 37.

The spelling of 31453345351 in words is "thirty-one billion, four hundred fifty-three million, three hundred forty-five thousand, three hundred fifty-one".