100631357 has 2 divisors, whose sum is σ = 100631358. Its totient is φ = 100631356.

The previous prime is 100631339. The next prime is 100631369. The reversal of 100631357 is 753136001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98287396 + 2343961 = 9914^2 + 1531^2 .

It is an emirp because it is prime and its reverse (753136001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100631357 - 2¹⁴ = 100614973 is a prime.

It is a super-2 number, since 2×100631357² = 20253340023322898, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100631057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50315678 + 50315679.

It is an arithmetic number, because the mean of its divisors is an integer number (50315679).

Almost surely, 2^100631357 is an apocalyptic number.

It is an amenable number.

100631357 is a deficient number, since it is larger than the sum of its proper divisors (1).

100631357 is an equidigital number, since it uses as much as digits as its factorization.

100631357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 100631357 is about 10031.5181802158. The cubic root of 100631357 is about 465.1336679739.

Adding to 100631357 its reverse (753136001), we get a palindrome (853767358).

The spelling of 100631357 in words is "one hundred million, six hundred thirty-one thousand, three hundred fifty-seven".