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31107490153 is a prime number
BaseRepresentation
bin11100111110001001…
…101010000101101001
32222021221020020020221
4130332021222011221
51002202004141103
622142433250041
72150605206055
oct347611520551
988257206227
1031107490153
1112213404853
126041a03921
132c1996910c
141711576c65
15c20e8e1bd
hex73e26a169

31107490153 has 2 divisors, whose sum is σ = 31107490154. Its totient is φ = 31107490152.

The previous prime is 31107490091. The next prime is 31107490159. The reversal of 31107490153 is 35109470113.

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., 28456990864 + 2650499289 = 168692^2 + 51483^2 .

It is a cyclic number.

It is not a de Polignac number, because 31107490153 - 213 = 31107481961 is a prime.

It is not a weakly prime, because it can be changed into another prime (31107490159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15553745076 + 15553745077.

It is an arithmetic number, because the mean of its divisors is an integer number (15553745077).

Almost surely, 231107490153 is an apocalyptic number.

It is an amenable number.

31107490153 is a deficient number, since it is larger than the sum of its proper divisors (1).

31107490153 is an equidigital number, since it uses as much as digits as its factorization.

31107490153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 34.

The spelling of 31107490153 in words is "thirty-one billion, one hundred seven million, four hundred ninety thousand, one hundred fifty-three".