1234485931 has 16 divisors (see below), whose sum is σ = 1428306880. Its totient is φ = 1045094400.

The previous prime is 1234485929. The next prime is 1234485943. The reversal of 1234485931 is 1395844321.

It is a happy number.

It is not a de Polignac number, because 1234485931 - 2¹ = 1234485929 is a prime.

It is a super-2 number, since 2×1234485931² = 3047911027673873522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1234485971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254731 + ... + 259531.

It is an arithmetic number, because the mean of its divisors is an integer number (89269180).

Almost surely, 2^1234485931 is an apocalyptic number.

1234485931 is a deficient number, since it is larger than the sum of its proper divisors (193820949).

1234485931 is a wasteful number, since it uses less digits than its factorization.

1234485931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5254.

The product of its digits is 103680, while the sum is 40.

The square root of 1234485931 is about 35135.2519700656. The cubic root of 1234485931 is about 1072.7422399523.

The spelling of 1234485931 in words is "one billion, two hundred thirty-four million, four hundred eighty-five thousand, nine hundred thirty-one".