31423356148 has 12 divisors (see below), whose sum is σ = 57381780960. Its totient is φ = 15028561592.

The previous prime is 31423356091. The next prime is 31423356149. The reversal of 31423356148 is 84165332413.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31423356148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31423356149) 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, 170779018 + ... + 170779201.

It is an arithmetic number, because the mean of its divisors is an integer number (4781815080).

Almost surely, 2^31423356148 is an apocalyptic number.

It is an amenable number.

31423356148 is a deficient number, since it is larger than the sum of its proper divisors (25958424812).

31423356148 is a wasteful number, since it uses less digits than its factorization.

31423356148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341558246 (or 341558244 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The spelling of 31423356148 in words is "thirty-one billion, four hundred twenty-three million, three hundred fifty-six thousand, one hundred forty-eight".