31425151231 has 8 divisors (see below), whose sum is σ = 31521263760. Its totient is φ = 31329148032.

The previous prime is 31425151217. The next prime is 31425151237. The reversal of 31425151231 is 13215152413.

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 31425151231 - 2¹³ = 31425143039 is a prime.

It is a super-2 number, since 2×31425151231² (a number of 22 digits) contains 22 as substring.

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 31425151231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31425151237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568080 + ... + 620938.

It is an arithmetic number, because the mean of its divisors is an integer number (3940157970).

Almost surely, 2^31425151231 is an apocalyptic number.

31425151231 is a deficient number, since it is larger than the sum of its proper divisors (96112529).

31425151231 is a wasteful number, since it uses less digits than its factorization.

31425151231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54665.

The product of its digits is 3600, while the sum is 28.

The spelling of 31425151231 in words is "thirty-one billion, four hundred twenty-five million, one hundred fifty-one thousand, two hundred thirty-one".