31048485013 has 32 divisors (see below), whose sum is σ = 40802420736. Its totient is φ = 22951228608.

The previous prime is 31048485001. The next prime is 31048485037. The reversal of 31048485013 is 31058484013.

It is not a de Polignac number, because 31048485013 - 2⁹ = 31048484501 is a prime.

It is a super-2 number, since 2×31048485013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31048485053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82495 + ... + 262492.

It is an arithmetic number, because the mean of its divisors is an integer number (1275075648).

Almost surely, 2^31048485013 is an apocalyptic number.

It is an amenable number.

31048485013 is a deficient number, since it is larger than the sum of its proper divisors (9753935723).

31048485013 is a wasteful number, since it uses less digits than its factorization.

31048485013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345073.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 31048485013 in words is "thirty-one billion, forty-eight million, four hundred eighty-five thousand, thirteen".