7630257131 has 16 divisors (see below), whose sum is σ = 8819712000. Its totient is φ = 6465922848.

The previous prime is 7630257127. The next prime is 7630257133. The reversal of 7630257131 is 1317520367.

It is not a de Polignac number, because 7630257131 - 2² = 7630257127 is a prime.

It is a super-2 number, since 2×7630257131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7630257091 and 7630257100.

It is not an unprimeable number, because it can be changed into a prime (7630257133) 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, 342470 + ... + 364068.

It is an arithmetic number, because the mean of its divisors is an integer number (551232000).

Almost surely, 2^7630257131 is an apocalyptic number.

7630257131 is a deficient number, since it is larger than the sum of its proper divisors (1189454869).

7630257131 is a wasteful number, since it uses less digits than its factorization.

7630257131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22178.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 7630257131 is about 87351.3430406196. The cubic root of 7630257131 is about 1968.7008303957.

Adding to 7630257131 its reverse (1317520367), we get a palindrome (8947777498).

The spelling of 7630257131 in words is "seven billion, six hundred thirty million, two hundred fifty-seven thousand, one hundred thirty-one".