31020101460 has 72 divisors (see below), whose sum is σ = 94109890056. Its totient is φ = 8270657280.

The previous prime is 31020101393. The next prime is 31020101479. The reversal of 31020101460 is 6410102013.

It is a happy number.

31020101460 is a `hidden beast` number, since 3 + 1 + 0 + 201 + 0 + 1 + 460 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 599858064 + 30420243396 = 24492^2 + 174414^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1551930 + ... + 1571790.

Almost surely, 2^31020101460 is an apocalyptic number.

31020101460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31020101460 is an abundant number, since it is smaller than the sum of its proper divisors (63089788596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31020101460 is a wasteful number, since it uses less digits than its factorization.

31020101460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28553 (or 28548 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 31020101460 its reverse (6410102013), we get a palindrome (37430203473).

The spelling of 31020101460 in words is "thirty-one billion, twenty million, one hundred one thousand, four hundred sixty".