79481031 has 32 divisors (see below), whose sum is σ = 128040960. Its totient is φ = 42872544.

The previous prime is 79481023. The next prime is 79481057. The reversal of 79481031 is 13018497.

It is not a de Polignac number, because 79481031 - 2³ = 79481023 is a prime.

It is a super-2 number, since 2×79481031² = 12634468577645922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79480983 and 79481001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79481081) 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, 37116 + ... + 39198.

It is an arithmetic number, because the mean of its divisors is an integer number (4001280).

Almost surely, 2^79481031 is an apocalyptic number.

79481031 is a deficient number, since it is larger than the sum of its proper divisors (48559929).

79481031 is a wasteful number, since it uses less digits than its factorization.

79481031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 79481031 is about 8915.2134579044. The cubic root of 79481031 is about 429.9531786048.

The spelling of 79481031 in words is "seventy-nine million, four hundred eighty-one thousand, thirty-one".